Can you picture an apple in your mind? If not, you might have this condition. Some people can't form mental images. Here's what scientists are learning about the condition known as aphantasia ...

The mind-muscle connection can help improve your form, optimize your workouts, and maximize gains. Here's how to implement it, according to a pro trainer.

This mind-set can be “tremendously validating,” he said, especially when someone has tried so hard — sometimes even harder than others — yet doesn’t have as much to show for it.